Normalising OLAP cubes for controlling sparsity.

Tapio Niemi Jyrki Nummenmaa Peter Thanisch Normalising OLAP cubes for controlling sparsity. 317-343 2003 46 Data Knowl. Eng. 3 http://dx.doi.org/10.1016/S0169-023X(03)00035-1 db/journals/dke/dke46.html#NiemiNT03